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Marquise|Natural|GIA

1.01ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 6555531473

Certificate GIA 6555531473

Diamond specifications and retailer prices

From $2,504 AUD
As of November 4, 2026
Save $3,350 AUD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,338 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555531473. Listed at 19 retailers as of November 2, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555531473
Dimensions9.58 × 5.15 × 3.25 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
9.58 mm5.15 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555531473
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,076 AUD|Low: $2,504 AUD|High: $5,944 AUD|Avg: $3,522 AUD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11$2,504 AUD
Retailer 8$2,638 AUD
Retailer 1$3,076 AUD
Retailer 13$3,084 AUD
Retailer 5$3,163 AUD
Retailer 3$3,228 AUD
Retailer 4$3,507 AUD
Retailer 12$3,540 AUD
Retailer 10$3,628 AUD
Retailer 6$3,630 AUD
Retailer 2$4,127 AUD
Retailer 7$4,154 AUD
Retailer 9$5,854 AUD

31 data points across 13 retailers

19 retailers$2,504 AUD to $5,854 AUD

A
Cheapest Retailer
-
$2,504 AUD
A
Retailer 2
-
$2,638 AUD
View
A
Retailer 3
-
$3,076 AUD
View
A
Retailer 4
-
$3,084 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,163 AUD
View
A
Retailer 6
-
$3,228 AUD
View
A
Retailer 7
-
$3,294 AUD
View
Retailer 8
-
$3,507 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
$3,510 AUD
View
Price last confirmed 35 days ago
B+
Retailer 10
-
$3,540 AUD
View
B+
Retailer 11
-
$3,628 AUD
View
A
Retailer 12
-
$3,630 AUD
View
Retailer 13
-
$3,673 AUD
View
Price last confirmed 35 days ago
Retailer 14
-
$4,050 AUD
View
Price last confirmed 37 days ago
B+
Retailer 15
-
$4,127 AUD
View
B+
Retailer 16
-
$4,154 AUD
View
Retailer 17
-
$4,337 AUD
View
Price last confirmed 32 days ago
B
Retailer 18
-
$5,854 AUD
View
Most Expensive
NZ Jewellers
4cf52cf1-aae3-445d-b80e-f3ee479d2298 · Sep 30
$7,338 AUD
$5,137 USD
View
Price last confirmed 36 days ago
18 more retailers have this diamond
Prices start from $2,504 AUDSave up to $3,350 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.01ct Marquise
$2,504 AUD